Kingdom Hearts

is a hybrid action-RPG that was released in 2002, which is notable for being the result of a collaboration between the video game developer and publisher Square and Disney. The game combines characters and settings from Disney's animated features and films with those from Square's Final Fantasy RPG series. Although the game's primary plotlines follow characters who were created specifically for Kingdom Hearts, characters from both companies play major roles in the game and its storyline. The game features real-time rendered backgrounds and scenery.

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The game begins within Sora's "dream world", in which the player is introduced to the gameplay of Kingdom Hearts. Sora is directed by a nameless voice, who tells him that "the door is still closed," but there are various references toward the said door opening soon, and that if Sora does not prepare appropriately, it will lead to his end. As such, Sora is requested to choose one of three weapons, and sacrifice one other, before being plunged into his first battle with evil "shadow creatures," who assault him on sight. Battling his way through the vast array of these shadows...